JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<body>

  <div class="group">

    <input type="text" class="form-input" id="name" autofocus>
    <span class="highlight"></span>
    <span class="bar"></span>
    <label class="form-label" id="name-label">Name</label>

  </div>
  
  <div class="group">

    <input type="text" class="form-input" id="email" autofocus>
    <span class="highlight"></span>
    <span class="bar"></span>
    <label class="form-label" id="email-label">Email</label>

  </div>

</body>

CSS

body {
  background-color:#fff;
  padding:40px;
}

.group 			  { 
  position:relative; 
  margin-bottom:45px; 
}
.form-input 				{
  font-size:18px;
  padding:10px 10px 10px 5px;
  display:block;
  width:100%;
  border:none;
  border-bottom:1px solid #757575;
}
.form-input:focus 		{ outline:none; }

/* LABEL ======================================= */
.form-label 				 {
  color:#999; 
  font-size:18px;
  font-weight:normal;
  position:absolute;
  pointer-events:none;
  left:5px;
  top:10px;
  transition:0.2s ease all; 
  -moz-transition:0.2s ease all; 
  -webkit-transition:0.2s ease all;
}

/* active state */
.form-input:focus ~ .form-label {
  top:-20px;
  font-size:14px;
  color:#d438c5;
}

/* BOTTOM BARS ================================= */
.bar 	{ position:relative; display:block; width:100%; }
.bar:before, .bar:after 	{
  content:'';
  height:2px; 
  width:0;
  bottom:1px; 
  position:absolute;
  background:#d438c5; 
  transition:0.2s ease all; 
  -moz-transition:0.2s ease all; 
  -webkit-transition:0.2s ease all;
}
.bar:before {
  left:50%;
}
.bar:after {
  right:50%; 
}

/* active state */
.form-input:focus ~ .bar:before, .form-input:focus ~ .bar:after {
  width:50%;
}

/* HIGHLIGHTER ================================== */
.highlight {
  position:absolute;
  height:60%; 
  width:100px; 
  top:25%; 
  left:0;
  pointer-events:none;
  opacity:0.5;
}

/* active state */
.form-input:focus ~ .highlight {
  -webkit-animation:inputHighlighter 0.3s ease;
  -moz-animation:inputHighlighter 0.3s ease;
  animation:inputHighlighter 0.3s ease;
}

.form-select {
	height: 47px;
    background: transparent;
}

/* ANIMATIONS ================ */
@-webkit-keyframes inputHighlighter {
	from { background:#d438c5; }
  to 	{ width:0; background:transparent; }
}
@-moz-keyframes inputHighlighter {
	from { background:#d438c5; }
  to 	{ width:0; background:transparent; }
}
@keyframes inputHighlighter {
	from { background:#d438c5; }
  to 	{ width:0; background:transparent;...

JavaScript

$('#name').focusout(function() {
	var val = this.value;
  if (val.length > 0) {
  	$('#name-label').addClass('not-empty');
  } else {
  	$('#name-label').removeClass('not-empty');
  }
});

$('#email').focusout(function() {
	var val = this.value;
  if (val.length > 0) {
  	$('#email-label').addClass('not-empty');
  } else {
  	$('#email-label').removeClass('not-empty');
  }
});